White circular logo with the words "PDA society" in the center on a light grey background.

Extreme Demand Avoidance 8-Item Measure (EDA-8)

The EDA-8 is a shorter version of the Extreme Demand Avoidance Questionnaire (EDA-Q), first developed in 2013 by Dr. Liz O’Nions and colleagues. The original EDA-Q measured caregiver-reported behaviours linked to Extreme or Pathological Demand Avoidance (PDA) in...

Mapping experiences of PDA in Ireland

This national study gathered insights from PDA individuals, their families, and professionals to understand knowledge, diagnosis, and support for PDA. Researchers surveyed 264 parents, 9 life partners, 6 PDA individuals, and 54 practitioners. They also conducted...